it's an accident. oh, my god. >> oh, no. oh, my god. oh, my god. >> the plane that broke into pieces and started burning with more than 300 people on board. i want you to listen to what the ntsb boss says that they have learned so far from the cockpit recordings. >> a call from one of the crew members to increase speed was made approximately seven seconds prior to impact. during the approach, the data indicate that the throttles were at idle and air speed was slowed below the target air speed. >> we are going to walk you through this point by point very shortly here on cnn to make sure everyone understands exactly what happened and what we know at this point in the

investigation. the casualty figures, 182 people were rushed to hospitals around san francisco. six of them are in critical condition. two teenagers sadly died. they were both from china. now, i want you to see and hear the entire video that fred shot yesterday. he is just out walking with his family, and he has no idea he is about to witness a disaster. here it is. look at him. >> yeah. yeah, he does. look at that one. look how his nose is up in the air. oh, my god. oh, it's an accident. >> you're filming it too. >> oh, my god. >> oh, no. >> oh, my god. >> you're filming it. >> oh, my god. oh, my god. oh, my god.

>> you're filming the whole thing. >> oh, lord have mercy. >> that is video that you will only see on cnn, and it's the only video of the plane's impact that we are aware of. fred hayes talked to cnn just a short time ago. >> i was watching it come in, and i did notice that nose being up in the air and, you know, my initial reaction was that it was trying to avert the landing and trying to go back up, and then we heard -- you know, i seen the tail section hit the -- what i thought was the tarmac. i guess it hit the rocks first or something, but it was a big boom, and then it pitched forward and bounced off its nose. >> mary schiavo is here. she has devoted much of her career to air, to air safety. when she was with the department of transportation, she was the inspector general, and then also jim tillman, who is an aviation

expert joins us by phone. they will both go through the ntsb press conference point by point and we'll figure out exactly what's going on. before we go to the press conference, i want you to look at this new animation, which is based on this -- on the video. there it is. >> it shows pretty much exactly as you are watching this animation, mary schiavo, what do you make of it? >> well, what i make of it is from the second they hit that sea wall right there, that was it. there was no going around. there was no point increasing the throttle. they had dissipated so much speed, and the plane by staying on its belly it was very fortunate for the passengers for two reasons. one, they were able to evacuate, but also, their seat belts would have helped them. not completely. there are many seat belt injuries, head injuries, et cetera, but the string of events where that plane did mr. ing to stay on its belly was very fortunate given the horrific impact. that was a very strong impact

that the plane did suffer, and it could have easily right there tipped. it could have cart wheeled, and it did not, fortunately. >> jim tillman, as you're watching this animation, again, based on that video, what does this show you? this is going to be a very valuable tool for investigators, jim. >> yes, it will, and i agree with mary that, you know, we're looking at final seconds. we are just looking at seconds. you know, if you slowed that down, you get a better feel to all the actions that really took place with that airplane and how it managed somehow miraculously to stay belly down. the thing is that there he is too low, he is too slow, and then when you consider the fact that they had tried to go around after they had a -- they were too late also. >> okay. now let's listen to debra

hersman, the deputy of the national transportation safety board. we'll talk about it. >> the approach proceeds normally as they descend. there is no discussion of any aircraft anomalies or concerns with the approach. a call from one of the crew members -- >> okay. stop it. roll -- go back to the beginning of that soundbyte. i want you to leave our microphones open, producers, and when i say pause it, pause it. start from the beginning of the soundbyte, and then mary and jim and i will go through it. okay. play it, please. >> the approach proceeds normally as they descend. there is no discussion of any aircraft anomalies. >> pause it. >> tremendously important right there because that piece of data tells us that up until that point things were proceeding normally, and crew resource management, if something was going wrong. one pilot is supposed to challenge the other.

excuse me, this is wrong. this is wrong. but that wasn't occurring. everything was occurring normally, so up to that point there's no indication of engine problems, flat problems, control problems. you know, no tricky winds updrafts, down drafts, nothing. that's a very important piece of data. i think jim probably feels the same way. >> you mentioned a tool that was about challenging. what is it called? >> it's called crew resource management, and the united states has really pioneered it. i'm sure jim has been more than trained in it and does it well, but what that means is that the pilot not flying, especially, is supposed to challenge the pilot flying. if there's anything at all wrong. they're supposed to work as a team that challenges each other to do the best things at all times, and we'll want to listen when the ntsb puts out the full cockpit voice recording. if they even did that when they were low and slow. seven seconds out, they should have done it. >> let's pick it back up. let's listen for the next points. leave our mikes open, price. >> concerns with the approach.

a call from one of the crew members to increase speed was made approximately seven seconds prior to impact. >> pause it there. jim tillman, seven seconds prior to impact. >> yes. >> go ahead. >> well, at seven seconds before the impact, let's understand something. we already know that this is seven of the last seconds that they have to get anything done. this is not a whole lot of time to go from what was reported to be idle all the way up to go around power. it takes a little bit of time for the instance to actually spool up to the range that you need to have in order to correct that situation. wron that they weren't behind the power curve, and mary can help you understand what i mean by that, even at that point. even if they had really had the power, whether or not they

really could have climbed out of there in time. it's a question many my mind how they used the last seconds. >> okay. stand by. roll the rest of it. let's go. >> the sound of the stick shaker occurs approximately four seconds prior to impact. >> pause it, please. mary. >> four seconds before impact with the stick shaker, there is vilgts they can do, but that stick shaker would have startled them. it literally vibrates and shakes, but at four seconds, as jim just mentioned, there isn't even time to get the power up at full speed to push it in and really get all the power that you need, and they couldn't do the other thing you do with a stick shaker, which is something called the stick pusher, which puts the nose down to give you more air speed. that wasn't an option because they were already too low. >> as jim said, already behind the power curve as he mentioned earlier. >> that's right. in more than one way. >> roll it again, please. >> a call to initiate a go

around occurred 1.5 seconds before impact. >> pause it, please. jim, i'll fwet to you in a second, but i see you shaking your head. >> too late. 1.5 before impact to call a go around, you don't even have time to react to get the power, you know, to pull back, to get the plane out of there. 1.5 seconds. i mean, just a split second. it's just too late to save the plane at that point. >> agreed, jim tillman? >> not only do i agree. i can tell you something -- at that point, yeah, that stick shaker, the worst thing you can do once you're at that point, the sequence of evented, is to pull back on the stick because when you do that, you aggravate the stall and there's no other thing that you can do. i mean, they just ran out of options. i mean, it was at a point in time where the options were very, very poor and very limited. at this point i just feel like you need to hold on the best you

can. >> okay. roll it, producers, again. >> again, what i just gave you was a brief recap of what our team in washington is and our lab heard on the cockpit voice recorder when they auditioned it. >> okay. meaning when they auditioned it, that was a cursory -- >> they literally just play it like you're playing a recording, but then they have a whole team of people, including from asiana and boeing, and including experts, and they will listen to every single point, every little click, every noise, every vibration. the grunts of a pilot, any interrupted conversation, if someone said, hey, don't you think we should. every single piece of that will be analyzed and many times. >> okay. jim, before i get your response, there is a soundbyte in the system about the throttle where she talks about the flight data recorder. let me know when you have that soundbyte, and we'll listen to it and analyze that one as well. okay. we'll get it for you.

jim, your response to this as well. a cursory listening to the recording. >> well, it's very unnerving for me because one of the things that keeps a pilot continuing to fly and the pilot is that he has control or she has control. when you get to the place you really do not have control, that's the most terrible nightmare that a pilot can have. for that matter you are trying to save what you can save. it has to be an awful feeling for the peopling in that cockpit. >> the flight data recorder had 24 hours of information on it. 14 -- when she says 1,400 perimeters of data, what does

that mean? >> that means there are 1,400 different things that are being recorded. air speed, altitude, every position of every lever in the cockpit. the pressureization, the every sing thing that can have a lead on it and recorded is put in that black box. you have 400 pieces of data to tell you precisely what is going on. that's a great black box. some in the olden days had a couple of dozen things, but with 1,400 they will know everything, every position, of every fright surface lever, whatever in that plane. >> i have to say i'm glad you are calling it the black box because it's sort of an old school way of -- there was some debate about is it a data recorder, is it a cockpit recorder, and it's almost like the richter scale. it's not the -- that's the vernacular. >> today's black boxes are so much better, and they're so life-saving. hard not to get excitinged about

them because they're so important for safety. >> thanks to both of you. we'll analyze the flight data recorder information from the national transportation safety board a little bit later on in the show. jim tillman will be back with us as well as mary schiavo. thank you for both of wrush very informative. flight 214 was flying too slow. pilots trying to aboard the landing. we have more details on the investigation. plus, a panicked daughter watched the crash from her balco balcony. her father on board. up next, the daughter's emotional story.

>> the cockpit voice recorder of asiana flight 214, the plane that crashed and claimed the lives of two teenagers, appears to show that the pilots tried to abort the landing just one and a half seconds before the plane crash-landed at san francisco international airport. this just one of many new details coming from the national transportation safety board. dan simons joins us now from international airport. you arrived at that airport just after the plane crashed, and you have been there reporting to us for almost 24 hours straight now. walk us through the investigation, the details that we are learning. >> i was listening to your conversation earlier with jim tillman. i think you zeroed in on some of the important points, but i don't think you can really hammer home enough that these guys, the flight crew, seemed to realize that there was a real issue seconds before that plane crashed. sfwlu gleen some of the data from the flight data recorder and the cockpit voice recorder,

and it's this. they really needed to increase their speed. if you hear some of the witness statements and also from the passengers, they seem to indicate that the plane was too low and that the engines revved up just before the plane was about to touch down. i want you to listen now the to the ntsb chairwoman who boils things down second by second. take a look. >> a call was made seven seconds prior to impact. the sound of the stick shaker occurs approximately four seconds prior to impact. a call to initiate a go ahead occurred 1.5 seconds before impact. >> so it's clear that they knew there was trouble. the problem, don, when are you

talking about just seconds, you know, it seems like there really wasn't enough time to make the appropriate adjustments to avoid this kind of mishap. at this point you have to wonder whether pilot error is really what they're looking at here, but as the ntsb chairperson put it, at this point everything just really seems to be on the table. don. >> dan simon at san francisco international. thank you, sir. we appreciate that. two teenage girls died in the crash, but more than 300 people mile an hour abbing russly senior vooifd. some walked away unharmed, while 182 were taken to hospitals. the most critical are at san francisco general hospital. the city's only level one trauma center. keon law has been at that hospital since moments after this happened. she's updating us on the latest now. what do you have? >> well, don, i can tell you that when you go over those numbers, how many passengers were aboard, how many were taken to the various hospitals, let me

leave you with one number -- extraordinary numbers. the injuries that they're looking at here, according to the doctors, the head of e.r. is saying it's some of the bumps and bruises. it's the head trauma that they're worried about, as well as the spibl injuries. when the hard landing came to rest, what happened was that many of the passengers were rammed into the ceiling. the top of the plane. so two of the parents who have spinal injuries at this point are looking at paralysis. we don't know the prognosis for those patients. if you talk to some of the patients and the family members who are aboard that flight and they've been coming back and forth in and out of that hospital, their stories are quite amazing. we spoke with a mother. her 4-year-old is still in the hospital with a broken leg. that mother says the view was from seat 40.

she was in 40c. two rows ahead of her was the bathroom. when the plane landed, the bathroom was gone. there was a hole. she grabbed her child, and she ran out of the side of the plane. here's what she told us. >> it touched the ground directly. >> and you felt that? >> yeah, yeah. >> did people scream? what was your reaction? >> did people scream? >> everybody screamed. >> one thing that's really consistent in talking to all of these survivors is that they are certainly still dazed. a lot of them are still trying to cope and still, don, trying to process what they've been through. >> thank you. we appreciate it. for one woman the crash-landing of asiana flight 214 hit a little too close to home. her father was on board that flight, and incredibly, she could even see the destruction from her balcony. her father survived and was even able to take these pictures. he is back in the hospital now

for tests, so he wasn't able to join us, but earlier i spoke to his daughter, eunice about her dad's harrowing experience. >> i ain't able to get ahopefuled him for a while. it was traumatizing. you could only think of the worst, and i can only imagine what the other families are feeling at that time. i was just praying, and i know my family was praying as well. it was a good 30, 40 minutes before i could get ahold of him after finding out about the crash. >> have you been able to see the video of the crash that the gentleman fred hayes shot and has been airing here on cnn? >> i haven't, and, you know, i would rather not just because right now maybe later on, but, you know, before i knew that he was okay, there was a waiting time when i was actually on my balcony, and my vantage point was the crash. i could see the line of fire, trucks and medics. i could see the smoke.

you know, just watching it from my balcony, with my own eyes was enough, and just sitting, i was sweating because didn't know if he was okay. >> your dad is a remarkable man. he had the presence of mind to take pictures. >> where he. >> other than the pictures of the passengers, he was able to tell me a little bit more in depth of what happened inside, and i really wanted to just note that he did mention the amount of heroism that took place. you know, he did see one flight attendant. she was a very physically tiny

woman. she was helping men twice her size evacuate, and he said that asiana's staff was so professional. >> there was one flight attendant who was actually trapped for a while. the inflatable chute, the slide had gotten inflated inside the plane, and she was seated in her seat, and she was trapped, and he said as soon as they landed, he saw her leg hanging in the air, and he himself and another gentleman and actually her husband tried to rescue her and they couldn't deflate the chute because there's no sharp objects on the plane. she's okay now, but that just goes to show, you know, the

passengers were very cooperative and the flight attendants and the crew were just as attentive as well. >> a lot of unsung heroes. especially the flight attendants, and it should be much more respect for what flight attendants do. it's not just about getting water and peanuts and that sort of thing. they are the first responders in this situation. before i let you go, you know, many times when things like this happen, the passengers will develop certain bonds and will check on each other. has your dad been able or have you been able to speak to any of the other people who were hurt and what can you tell us about it? >> as soon as my dad had gotten home, he actually tried to get ahold of, you know, the authorities or just the airport just to check on members on the flight, and i actually overheard him on the phone with another gentleman that he was trying to rescue. the flight attendant. just saying are you okay? you know, are you home? are you safe? are you at the hospital? what's going on? and during the time i was

relocated with my father, i happened to have another family friend on that same flight, and they've been doing well. it's just been traumatic for them, but everyone is doing well that i know of. >> thanks. our thoughts and prayers are with you, and i'm sure the rest of the country, rest of the world watching cnn as well. thank you very much for that. i'm going to talk about another crash now. this one involves a train in canada. five people are dead. many are still missing. up to 40 people, and it's believed -- this is according to investigators -- that some of them may have been vaporized by the flames. [ barks ] [ announcer ] all work and no play... will make allie miss her favorite part of the day. [ laughing ] that's why there's beneful baked delights. from crispy crackers to shortbread cookie dog snacks, they're oven-baked to surprise and delight.

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>> we're getting back to the kroosh in a moment. some other news to tell you about. some serious new. secretary of state john kerry was rushed to the hospital today in massachusetts. an ambulance was called to the kerry home in nantucket where theresa heinz-kerry was reported ill. she is a breast cancer survivor. we'll keep check and update you on her condition. we're learning new details about a major train accident near the canadian-u.s. border. an unmanned train with 70 tankers of crude oil broke free.

road seven miles down a hill, then derailed and exploded yesterday. flames from the burning car spread to a small canadian town near the border. at least five people were killed in the inferno, but that number could rise. about 40 are still missing. the fire is finally out tonight, and here's cnn jason kerry. >> canada's prime minister described the aftermath as looking like a war zone. emergency officials say they are expecting more deaths as workers manage to get into the worst affected areas. the devastation began unfolding early saturday morning. that's when a train transporting 70 tankers of crude i'll which had been park the nearby slipped down hill and then derailed in the town in quebec province. this triggered a series of large explosions. at least 30 buildings were engulfed in flames. authorities evacuated more than 2,000 people.

many remain missing. >> the explosion was the biggest. i saw the fire went up about 200, if not 300 feet high. >> and heard people saying that they were running in the street and tried to avoid fire. jumped in the lake. it's like you can see it in movies. >> this terrible. >> she has no news from my friends. i haven't heard from many of them. i can't say more than that. every where are everybody we're waiting for confirmation where. >> this an montreal, maine, and atlantic railway had been locked down. locomotive engineer. that engineer left for a crew change. according to the company. then soon after the train rolled into town unmanned. the company released a statement saying we extend heart felt condolences to those residents who have lost their homes and sinesses and particularly those who have suffered injuries and lost loved ones.

mma will cooperate with government safety agencies determining a cause. again, emergency workers have recovered five bodies so far. an estimated 40 people still unaccounted for. jason carol, cnn. >> people in yarnell, arizona, will be able to go home after a killer wildfire drove them out. that's from knxv. the wildfire is now 90% contained, but about br that happened the flames took the lives of 19 hot shots, an elite team of firefighters. today their bodies took a symbolic and somber journey home. a procession took them from phoenix where they were taken to prescott, team's base, more than 90 minutes -- 90 miles to the north. >> andy murray ends a drought

today with a decisive flick of his racket. >> right on. the 26-year-old murray became the first british man to win at wimbledon since 1936. murray becomes a living legend. the tennis player the british people have waited generations for, and here to talk about this sports columnist terrence moore. he is joining me from the cnn center in atlanta. terrence, i want you to watch this video. here's a reaction in murray ae hometown when he won. >> oh, terrence. that just about says it all. thank you for joining us. >> thank you. >> that's it. >> don't forget -- >> you don't have to say anything about that. what is this victory mean for murray and for britain? >> you know, we saw it right there. there has not been this much

cheering around england since victory in europe day. it kind of seems that way because what happened today with andy murray was unexpected. he was not supposed to win this thing in straight sets. then that's the third set. i tell you, don, it was like everybody was hanging on his every single breath, and the way he is playing overall, you get the feeling that he could talk the powers that be into becoming that line into the monarchy there in england. >> i thought it was going to be djokovic and del potro. now it's andy murray. what does this do for murray's tennis legacy? >> it does a lot. when you follow this guy, he has gone from a semi-choker to a definite champion overnight. okay? on the very same center court at wimbledon, last august, he went olympic gold over roger fedder are. that was huge. then it got even bigger than that because the next month he won the u.s. open, and now you have this. i tell you, this is an aljis to

phil mickelson. phil mickelson went the longest time. he won the masters, and he won three majors after that. okay? a guy like john elway. john elway was 0-3 in super bowls and then won two straight super bowls. this is andy murray at 26. this is the beginning of a lot of good things for this guy. >> i'm sure he is exhausted. he has been surviving on fumes. the excitement is palpable in britain and around the world. thank you. we appreciate it, sir. >> thank you. >> all righty. you know, we have been watching this gripping new video that shows the moment asiana airlines flight 214 crashed to the runway in san francisco. we have an expert breaking down what she sees in this video next. this is how i go from shaquille...

to sha-cool. get it? [ male announcer ] new gold bond powder spray. cool, dry, no mess. stay cool with gold bond. zoo may be tuning in. i want you to take a good look at this. flight 214's final seconds in this exclusive cnn video. the plane was flying too slow. that's according to the ntsb. about seven seconds prior to impact. there was a warning to increase

the plane's speed. four seconds before impact the stick shaker activated. that's meant to warn pilots of an imminent stall. 1.5 seconds before impact, pilots tried to aboard the landing. it was too late. two 16-year-old girls were killed. their lifeless bodies found on the runway. the teens were from china headed a summer camp in the u.s. traveling with dozens of classmates ready for a summer adventure. that video of the crash will no doubt help investigators answer their key questions. what happened. mary schiavo is a former inspector general for the transportation department. she is here, and also jim tillman is an aviation expert, a pilot, and also a meteorologist. he can help us out on a number of levels here. okay. so let's go through the ntsb press conference, mary. all right? so first off, let's play the one where she talks about giving the crew visual clearance. let's listen. >> air traffic control. they gave the crew the asiana

flight a visual appearance. handling appeared radio teen until the controller noticed that the aircraft hit the sea wall. the controller declared an emergency. no prior distress calls or requests for special support or problems were noted in the air traffic control tapes between the controller and the asiana crew. >> jim tillman first. >> much of what she said i couldn't hear, but i watched it when it actually happened, and am i right when had he is discussing the need to increase speed? >> she's talking about -- she said no prior distress calls or requests for special support of problems were noted from the controller, and the -- >> i think we're dealing with something that mary is familiar with, that it's called situational awareness. being really aware -- totally aware, sufficiently aware of where you and your airplane are

at a specific time and place to have a firm fix on exactly what you should be doing to maintain safe flight, and it's a category within the investigation area that has kind of grown up through the years. this is a very important thing. that, plus, something else that mary has mentioned earlier in terms of the crew coordination, which i'm really concerned about. why was there no tarmac of the pilot now flying that, hey, we're too slow or we're too low or we're too anything else? there was no complaint. that i find very interesting. >> mary. >> jim, so right. situational awareness is so important that when you are in flight training, they train you to do a sweep. in other words, you take your eyes and you take your attention and you actually train to sweep the instruments in a particular way, and you keep doing that so you don't lose your situational awareness, so your air speed

isn't deteriorate and you are aware and you are paying attention to the altimeter. you do it second nature, and you sweep those instruments, and i have to wonder why they weren't doing it or if they were maybe something distracted them. >> i want to get -- i'm looking for an e-mail that i got earlier from a pilot friend, and he mentioned going over the mountains, coming in across the mountains. if i can find it here. i'll look for it. let's listen to the second soundbyte where she talks about increase speed. let's listen. a call was made seven seconds to impact. the sound of the stick shaker occurs approximately four seconds prior to impact. a call to initiate a go around occurred 1.5 seconds before

impact. >> mary. >> the time issing so vitally important. at seven seconds think they might have had a chance to initiate the go around. as jim also mentioned, they don't have enough time to get the air speed back up before they get the stick shaker, and at that point that's the warning to the pilots that you are in danger of losing your flight, but with just seven seconds when they finally are snapped to awareness that they're in great danger, they ran out of time. >> okay. jim, i found the nell mel, and, again, this is from a pilot, a long-time pilot, and you can weigh in as well, mary. he says to me, he says, the ntsb statement has confirmed in my nined that this was a pilot crew error. that has not been confirmed. it's very early on in the investigation. that they flew an unstable approach, meaning they were not in the proper power, speed, and altitudes for safe landing. here's the part that was interesting to me. he said it is common to come in

over the mountain on a visual approach and be high. is that true, jim? >> yes, i've had that experience. i will add one more thing to that. i think he is absolutely right, that there is a sendtendency to that. the landing is not made on the runway, as much as we would think it is. really it's made way out of the airport surface. you set your airplane out for the proper approach. that's the most critical part of the landing sequence to get everything set and stable so that you don't have last minute decisions to make. you don't have any of that. you just monitor this as it's coming down sxushgs make sure you make minor corrections to make sure you stay in the slot. if you are outside of that slot, you've got to make some corrections. you need to make them right away. and the way i was talking, anything doesn't look right, you go around. >> mary, have i to go to break, but mary is shaking her head here in agreement when he said

that. it's may way out. >> absolutely. he is a great check error, jim tillman. >> stand by. we'll talk a little bit more about the ntsb press conference. the very latest information here and go over it with our experts. i want to make things more secure. [ whirring ] [ dog barks ] i want to treat more dogs. ♪ our business needs more cases. [ male announcer ] where do you want to take your business? i need help selling art. [ male announcer ] from broadband to web hosting to mobile apps, small business solutions from at&t have the security you need to get you there. call us. we can show you how at&t solutions can help you do what you do... even better. ♪ it's lots of things. all waking up. connecting to the global phenomenon we call the internet of everything. ♪ it's going to be amazing. and exciting. and maybe, most remarkably, not that far away.

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>> back with our of a yags experts. let's listen to the ntsb talking about air speed.

>> during the approach, the data indicate that the throttles were at idle and air speed was slowed below the target air speed. the throttles are advanced a few seconds prior to impact and the engines appear to respond normally. >> mary schiavo, former inspector general for the u.s. department of transportation. >> she was giving us very important clues. have they been top of the instruments and put in power, increase the power sooner, she's telling us where w that statement the engines responded normally. had they put in more throttle, given it literally more power before the last couple of seconds of the flight, that at least in the last couple of seconds of the flight, it indicated that the engines would have responded. you could have given yourself more air speed --

>> that's absolutely on target. there is going to be some question in my mind for a long time whether or not seven seconds was enough time. i want to know what was going on plier to that. before that seven second warning that we really need to add more power and everything else. what was going on in that cockpit? what were they thinking? what was their plan? what was the deal? i mean, you know, they are seven seconds from hitting this wall. it sounds -- it just sounds casual to me, and it's not a casual situation. >> okay. let's listen now to the ntsb being questioned about how fast the plane was going or how slow the plane was going as it approached the runway. >> i will tell you that the speed was significantly below 137 knots and we're not talking about a few knots. we still have to corroborate some information. as i mentioned, this was a preliminary read of the flight data recorder and cockpit voice

recorder. the 137 knots came from the crew conversation about their approach speed. we need to take a closer look at the raw data on the flight data recorder as well as corroborate that with radar and air traffic information to make sure that we have a very precise speed. again, we're not talking about a few knots here or there. we're talking about a significant amount of speed below 137. >> mary. >> well, again, she tells us something very surprising, in that the crew, according to what the information they have now, is actually discussing the air speed, and it's very important for her to match that up. does what they say on the cockpit voice recorder, what's being said in the cockpit match the data recorder, what the instruments say. >> i'm up against the brake. >> mary is absolutely right. we need to know what was going on there. what kind of conversation was taking place? what kind of activity followed that conversation? >> very quickly, mary.

should we read anything into the ils, which is the zoosh yes. the instrument landing system. there was a no to airmen, which is a notice that's put out that you have to check. it said it was out. it also said that something called the vasi lights that give you an indication of what your glide slope is, where you are in relation to the runway, that those were out. apparently they weren't. that's kind of rare to have both those pieces of equipment out on a landing. >> all right. thank you. mary schiavo and also jim tillman, great stuff. we appreciate your expertise. >> let's move on now and talk about the trial that's going in florida when the mother of explain teenager tray trayvon martin took the stand. we got a taste of the examination. now we're in more for as the trial takes a different turn. our preview of tomorrow's testimony next. and after nine years of working at walmart, i know savings. and right now we've got everything you need for a great summer. this 5-piece dining set on clearance, save over $49! marco! polo! this metal frame pool on rollback, you save $80!

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>> first, it is not precisely known because the defense doesn't like to give that kind of information out. they would consider it kind of tipping their hand. you should anticipate that they already have seen before we take the stand. the man that took the bloody head of george zimmerman, and theb also you might hear from jonathan good, the man that claims he saw trayvon martin on top of george zimmerman, which is key. you will probably hear from the medical personnel that treated the injuries of george zimmerman. they will -- the defense will try to get them to portrait his injuries as serious, which is

something george has maintained. also, too, you will likely hear from the lead investigator. that's chris sereno, who will get up on the stand and talk more about the investigation. medical experts, forensic experts. you talk about the dna and the bullet tracing that is being done regarding the shot that was fired that killed the 17-year-old. and there is another possibility that you could see a member of trayvon martin's family take the stand. this time perhaps his father, tracy martin, because it's been reported that tracy told authorities initially when he heard that 911 call with the screams and the darkness, that was not his son, but now, of course, he says it is. the defense is likely to put him on the stand and say initially it was not. by the end of the week this case could be in the jury's hands bushlt there's still potential for a lot of dramatic testimony in between. martin savidge, cnn, sanford,

florida. >> thank you very much, martin. zim don lemon. thank you for watching. make sure gu to cnn.com all night long for the very latest on the crash of flight 214, and, of course, our morning show starts at 4:00 a.m. eastern time with early start and new day at 6:00 a.m. now anthony bordain, spartapart unknown. pefr your has driven men mad for gold, for its magical ancient history. now there's something else drawing outsiders to its hidden mountain valleys. we love the stuff. we obsess about it. gorge on it and fetish on it. i'm talking about chocolate. once a common treat, it's now becoming as nuanced as fine wine, making the pursuit of the raw good stuff all the more difficult. i'm joining